Title:
Dental saliva ejector
United States Patent 2859518


Inventors:
Cohn, Louis A.
Application Number:
US64630757A
Publication Date:
11/11/1958
Filing Date:
03/15/1957
Assignee:
Cohn, Louis A.
Primary Class:
Other Classes:
433/96, D24/112
International Classes:
A61C17/08
View Patent Images:
US Patent References:
2670539Saliva ejector1954-03-02
2587008Dental appliance1952-02-26
2507938Cotton roll holder and saliva ejector1950-05-16
1731322Saliva ejector1929-10-15